The METSECT5CC025 is a 250/5 A solid-core current transformer from the PowerLogic range, tropicalised for cable mounting. It serves metering and protection circuits where a fixed ratio and through-hole diameter of 21 mm are sufficient—common in panel feeder monitoring and distribution board retrofits. The accuracy class rides on the burden: Class 0.5 at 5 VA for revenue-grade metering, Class 1 at 6 VA for general instrumentation, Class 3 at 7 VA for protection relays. Rated insulation voltage 3 kV for 1 minute, impulse withstand 3 kV, conventional thermal current 15 kA, dynamic withstand 2.5 Ith.
This CT is obsolete. It complies with VDE 0414 and IEC 61869-2.
Mounts by screw or clip-on on a mounting plate or DIN rail. Outside dimensions 44 x 65 mm, frame depth 30 mm, total depth 37 mm. Cable diameter limit 21 mm. Sealing included. IP20—dry indoor panel only. Operating temperature -25 to 60 °C, humidity 0–95 %. Electrical insulation Class B. No auxiliary supply needed; secondary is 5 A at 50/60 Hz, up to 720 V AC. Keep the secondary shorted when not connected to a burden to avoid dangerous voltages.
For a BOM line where a 250/5 A, 21 mm window CT fits, this part works. Obsolete status means you source through RFQ—not a standard distributor shelf item. Quote against your required quantity and delivery window.